Engineering, 14.04.2020 17:46 dale87
3. Design 2nd-order Butterworth low-pass and high-pass filters for your speakers so that the crossover takes place at 4kHz and the filters are each 6dB down at the crossover. Getting the filters to cross over at 6dB down, rather than 3dB down is the major conceptual problem you have to solve in this lab.
Explain your methodology, show your computations below, and include a schematic of the compensated system Note: The Butterworth filters of the tables assume an equal source and load resistance. This is not our case, as the amplifier will have a near zero source impedance. The normalized Butterworth coefficients for a low-pass filter with zero source impedance are 2^0.5 and 2^(-.5). To get the 40dB/decade rolloff you expect from a second-order filter, start with a series, not a shunt, element in your filters.
Answers: 3
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 18:10
Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.
Answers: 3
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
Answers: 1
Engineering, 04.07.2019 18:10
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k
Answers: 2
3. Design 2nd-order Butterworth low-pass and high-pass filters for your speakers so that the crossov...
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